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Stockholders' Equity - Components of Accumulated Other Comprehensive Loss (Detail) - USD ($)
$ in Thousands
Dec. 31, 2019
Dec. 31, 2018
Equity [Abstract]    
Foreign currency translation adjustments $ (2,449) $ (779)
Unrealized foreign exchange loss on intercompany long-term loans, net of taxes (857) (888)
Actuarial gain 241 451
Total accumulated other comprehensive loss $ (3,065) $ (1,216)